ITEM NAME:270pcs/Set M2 Brass Spacers Standoff Circuit Board PCB Nut Screw LSV.High quality 270pcs M2 Brass Standoff Spacer Male x Female With Screws And Nuts. Thread: M2. Nuts: M2, 90pcs. Screws: M2 x 4mm, 90pcs. Male-Female: M2, 3mm+3mm, 10pcs. Male-Female: M2, 5mm+3mm, 10pcs.